Which Is Bigger, 5/8 or 3/4 Inch?
3/4 inch is bigger than 5/8 inch. 3/4 is 0.750 inch and 5/8 is 0.625 inch, so 3/4 is larger by exactly 1/8 inch — 0.125 inch, or 3.175 mm. In percentage terms, 3/4 is 20% larger than 5 The…
Matt
Matt edits the measurement guides at Inches.me. Every dimension published here is checked against a published standard, a manufacturer's specification, or a measurement made for the article — and the method is stated in the text so a reader can check it. Where two published sources disagree, the article says so instead of picking the more convenient number. Corrections are welcome: the contact page reaches the editor directly.
How to Measure Inches Without a Ruler: 9 Methods
The most accurate inch reference in an average pocket is a US penny: its diameter is exactly 0.750 inch (19.05 mm), so four pennies in a row measure exactly 3.000 inches. A credit card is better still for longer spans,…
Paper Size Chart in Inches and mm (A4, Letter, Legal)
A4 is 210 × 297 mm, which is 8.27 × 11.69 inches. US Letter is 8.5 × 11 inches, which is 215.9 × 279.4 mm. Letter is 0.232 inch (5.9 mm) wider; A4 is 0.693 inch (17.6 mm) taller. Neither…
Shoe Size Chart in Inches (US, UK, EU, cm)
A US men’s size 9 fits a foot 10.33 inches (26.2 cm) long; a US women’s size 8 fits a foot 9.67 inches (24.6 cm) long. Both scales move in steps of one third of an inch — 0.333 in,…
Ring Size Chart in Inches and mm (US, UK, EU)
A US size 7 ring has an inside diameter of 0.681 inch (17.30 mm). The whole US scale is built on a single rule: every full size adds 2.55 mm of inside circumference, which works out at 0.812 mm of…
How Long Is 9 Inches? 13 Everyday Things That Measure 9 Inches
9 inches is 22.86 centimeters, 228.6 millimeters, or exactly 0.75 feet: three quarters of a foot. It is the size of a standard pie dish, a dinner-size paper plate and the paint roller you use on walls. 9 inches in…
How Many Inches Is 20 cm? 7 Real Things That Measure 20 cm
20 cm is 7.87 inches. On a US tape measure, that is the 7 7⁄8 inch mark, just 3.2 mm short of 8 inches. In other units, 20 cm is 200 mm, 0.2 m or 0.66 feet. Centimeters (cm)=Inches (in)…
Pokémon Card Dimensions: Exact Size in Inches, mm and cm
A standard Pokémon card is 63 × 88 mm, or 2.48 × 3.46 inches (6.3 × 8.8 cm). Most people round it to 2.5 × 3.5 inches, the same size as Magic: The Gathering cards, baseball cards and poker cards.…
Instagram Post Size in Inches: Every Format at Any DPI
An Instagram post is 1080 pixels wide, so its size in inches depends on the resolution: 3.6 inches wide at 300 dpi, 7.2 inches at 150 dpi and 15 inches at 72 dpi. The standard portrait post, 1080 × 1350…
30 cm to Inches: How Long Is 30 cm? 12 Things to Scale
30 cm is 11.81 inches, or 0.98 feet (300 mm). On a US tape measure, that is just past the 11 ¾ inch mark, about 11 13⁄16 inches. It is the length of a standard school ruler, and only 4.8…